1223164066360 has 64 divisors (see below), whose sum is σ = 2827971105120. Its totient is φ = 475794593280.

The previous prime is 1223164066357. The next prime is 1223164066373. The reversal of 1223164066360 is 636604613221.

It is a happy number.

It is a super-2 number, since 2×1223164066360² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2643882 + ... + 3071878.

Almost surely, 2^{1223164066360} is an apocalyptic number.

1223164066360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1223164066360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1413985552560).

1223164066360 is an abundant number, since it is smaller than the sum of its proper divisors (1604807038760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223164066360 is a wasteful number, since it uses less digits than its factorization.

1223164066360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429976 (or 429972 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 40.

Adding to 1223164066360 its reverse (636604613221), we get a palindrome (1859768679581).

The spelling of 1223164066360 in words is "one trillion, two hundred twenty-three billion, one hundred sixty-four million, sixty-six thousand, three hundred sixty".